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Count Special Integers We call a positive integer special if all of its digits are distinct. Given a positive integer $n$, return the number of specia 阅读全文
posted @ 2022-08-15 21:31
onlyblues
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Construct Smallest Number From DI String You are given a 0-indexed string pattern of length n consisting of the characters 'I' meaning increasing and 阅读全文
posted @ 2022-08-15 16:59
onlyblues
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Max Chunks To Make Sorted II You are given an integer array arr. We split arr into some number of chunks (i.e., partitions), and individually sort eac 阅读全文
posted @ 2022-08-15 12:45
onlyblues
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移动的点 二维平面中有 $n$ 个点。 每个点都在做着匀速运动,其中第 $i$ 个点在 $x$ 轴上的速度为 $V_{xi}$,在 $y$ 轴上的速度为 $V_{yi}$。 这些点从很久之前($−\infty$ 时刻)就存在,在无限的未来($+\infty$ 时刻)也将存在,并且会一直保持着它们的运 阅读全文
posted @ 2022-08-15 10:37
onlyblues
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